328636 has 36 divisors (see below), whose sum is σ = 729904. Its totient is φ = 126720.

The previous prime is 328633. The next prime is 328637. The reversal of 328636 is 636823.

328636 = T₁₃₉ + T₁₄₀ + ... + T₁₆₆.

328636 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a d-powerful number, because it can be written as 3⁹ + 2¹⁷ + 6 + 8³ + 3¹¹ + 6³ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328633) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3340 + ... + 3436.

2³²⁸⁶³⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 328636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364952).

328636 is an abundant number, since it is smaller than the sum of its proper divisors (401268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

328636 is a wasteful number, since it uses less digits than its factorization.

328636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130 (or 117 counting only the distinct ones).

The product of its digits is 5184, while the sum is 28.

The square root of 328636 is about 573.2678257150. The cubic root of 328636 is about 69.0088905438.

It can be divided in two parts, 32 and 8636, that added together give a palindrome (8668).

The spelling of 328636 in words is "three hundred twenty-eight thousand, six hundred thirty-six".